What country? What year?
An Uncirculated $2.50 gold US coin is worth $425 in MS-60 uncirculated.
A 1912 $5 gold coin is worth $600 in MS-60 Uncirculated condition.
About $35,000
This gold coin in uncirculated condition is worth $90.00.
A 2006-W American Eagle bullion gold coin is worth in an uncirculated state: $90.00; should this coin be in a proof state, its value is: $125.
uncirculated its 1500$ average circulated condition is 800$
5 cents. Gold plating adds a very thin layer of gold on the coin, it hardly increases the coin's value. The 2005 buffalo nickels were intended for circulation and only worth 5 cents unless uncirculated or proof, but since your coin has been damaged due to gold plating, even if it was uncirculated or proof it is now just worth 5 cents.
One dollar. In uncirculated condition it might be worth a bit more, but not MUCH more.
The coin is not gold and unless you find someone that wants it, it's face value.
The value of a 2008 Gold Buffalo Coin will vary depending on the condition of the individual coin. Check out the Gold Buffalo Coin page at APMEX.com for more about the coin itself and to gauge pricing. APMEX - The Gold Standard in Precious Metal Trading
July 26, 2009 The American Gold Eagles are dated bullion coins minted in Uncirculated condition and in Proof condition. The 4 coin set, uncirculated or proof, containing the $5, the $10, the $25 and the $50 coin, is worth about $1,900 at todays gold price. There is additional numismatic value. The 4 coin proof set sells from $2100 to $2400 depending upon the actual condition of the coins. The 4 coin uncirculated set contains the scarce 1991 $25 coin and is valued from $3200 to $3400.
Retail is about $350 if well worn, up to $1200 if almost uncirculated.